2027 open enrollment. 3.15 million people must pick a new Medicare Advantage plan. See every plan and county, free.3.15M must pick a new plan.
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Medicare Advantage plan exits 2027 in Montgomery County, OH
8,310 of the 65,189 Medicare Advantage members in Montgomery County (12.7%) are in a plan that is not sold in the county for 2027: 17 of the 88 plans sold there in September 2026 end, from the CMS 2027 Landscape and crosswalk. Ohio: 15.8%; the nation: 10.6%.
Period: plan year 2027 against September 2026 members · Updated 2026-10-20 · Next: CMS January 2027 enrollment (February 2027): where the members landed
- members, Sept 2026
- 65,189
- members, Sept 2026
- must pick for 2027
- 8,310
- must pick for 2027
- share of members
- 12.7%
- share of members
- plans end
- 17 of 88
- plans end
Medicare Advantage members in Montgomery County, 2015 to 2026
MA enrollment in September each year, with MA penetration (members over Medicare eligibles) at the top of each bar, from the CMS state-county penetration file. Navy: the last two years. 87 plans are listed for the county for 2027 against 101 for 2026.
The plans that end for 2027
Every plan sold in Montgomery County in September 2026 with members whose plan is not sold there for 2027: how it went (terminated, or its service area reduced so it continues elsewhere), the members the same company offers a new or renumbered plan of the same type, and the members whose company sells nothing in the county next year.
| Plan | Company | Type | Members | Terminated | Service area reduced | Offered a new or renumbered plan | Company gone |
|---|---|---|---|---|---|---|---|
| UHC Dual Complete Oh-s2 (HMO D-SNP) H1285-001 | UnitedHealth Group, Inc. | D-SNP HMO | 2,755 | 2,755 | 0 | 0 | 0 |
| UHC Dual Complete Oh-d001 (HMO D-SNP) H5253-059 | UnitedHealth Group, Inc. | D-SNP HMO | 2,497 | 2,497 | 0 | 0 | 0 |
| Aetna Medicare Dual Care (HMO D-SNP) H0628-013 | CVS Health Corporation | D-SNP HMO | 718 | 718 | 0 | 0 | 0 |
| Humana Gold Plus Snp-de H6622-087 (HMO D-SNP) H6622-087 | Humana Inc. | D-SNP HMO | 679 | 679 | 0 | 0 | 0 |
| Humana Gold Plus Snp-de H6622-015 (HMO D-SNP) H6622-015 | Humana Inc. | D-SNP HMO | 277 | 277 | 0 | 0 | 0 |
| UHC Dual Complete Oh-d1 (PPO D-SNP) H2001-058 | UnitedHealth Group, Inc. | D-SNP PPO | 243 | 243 | 0 | 0 | 0 |
| Aetna Medicare Partial Dual (HMO D-SNP) H0628-041 | CVS Health Corporation | D-SNP HMO | 237 | 237 | 0 | 0 | 0 |
| UHC Dual Complete Oh-v001 (HMO D-SNP) H5253-122 | UnitedHealth Group, Inc. | D-SNP HMO | 182 | 182 | 0 | 0 | 0 |
| Wellcare Simple (HMO-POS) H0908-003 | Centene Corporation | Regular HMO | 177 | 177 | 0 | 0 | 0 |
| Devoted Dual Plus 010 Oh (HMO D-SNP) H2697-010 | Devoted Health, Inc. | D-SNP HMO | 163 | 163 | 0 | 0 | 0 |
| Humana Dual Select H5525-046 (PPO D-SNP) H5525-046 | Humana Inc. | D-SNP PPO | 121 | 121 | 0 | 0 | 0 |
| Mount Carmel Medigold Premium Choice (PPO) H1846-005 | Trinity Health Corporation | Regular PPO | 86 | 86 | 0 | 0 | 0 |
| Wellcare Dual Reserve (HMO-POS D-SNP) H0908-006 | Centene Corporation | D-SNP HMO | 48 | 48 | 0 | 48 | 0 |
| Wellcare Assist (HMO-POS) H0908-004 | Centene Corporation | Regular HMO | 46 | 46 | 0 | 0 | 0 |
| Wellcare Dual Access (HMO-POS D-SNP) H0908-001 | Centene Corporation | D-SNP HMO | 41 | 41 | 0 | 41 | 0 |
| Devoted Dual 011 Oh (HMO D-SNP) H2697-011 | Devoted Health, Inc. | D-SNP HMO | 20 | 20 | 0 | 0 | 0 |
| Humana Gold Choice H8145-032 (PFFS) H8145-032 | Humana Inc. | REGULAR OTHER | 20 | 20 | 0 | 0 | 0 |
| 17 plans | 8,310 | 8,310 | 0 | 89 | 0 |
Download this table (CSV, CC BY 4.0) · cells under 11 members are suppressed by CMS and count as zero, so every count is a floor.
By company in Montgomery County
| Company | Members, Sept 2026 | Plans | Plans ending | Must pick | Share of own members | Offered a new or renumbered plan | Company gone |
|---|---|---|---|---|---|---|---|
| UnitedHealth Group, Inc. | 19,636 | 14 | 4 | 5,677 | 28.9% | 0 | 0 |
| Humana Inc. | 4,916 | 21 | 4 | 1,097 | 22.3% | 0 | 0 |
| CVS Health Corporation | 5,981 | 7 | 2 | 955 | 16.0% | 0 | 0 |
| Centene Corporation | 1,987 | 5 | 4 | 312 | 15.7% | 89 | 0 |
| Devoted Health, Inc. | 1,320 | 10 | 2 | 183 | 13.9% | 0 | 0 |
| Trinity Health Corporation | 4,719 | 6 | 1 | 86 | 1.8% | 0 | 0 |
| Elevance Health, Inc. | 20,113 | 10 | 0 | 0 | 0.0% | 0 | 0 |
| Health Care Service Corporation | 2,748 | 3 | 0 | 0 | 0.0% | 0 | 0 |
| MEDICAL MUTUAL OF OHIO | 1,356 | 5 | 0 | 0 | 0.0% | 0 | 0 |
| Molina Healthcare, Inc. | 1,139 | 1 | 0 | 0 | 0.0% | 0 | 0 |
| CareSource | 916 | 1 | 0 | 0 | 0.0% | 0 | 0 |
| SNP Holdings, LLC | 150 | 1 | 0 | 0 | 0.0% | 0 | 0 |
| Perennial Consortium, LLC | 122 | 2 | 0 | 0 | 0.0% | 0 | 0 |
| The Schroer Group, Inc. | 75 | 1 | 0 | 0 | 0.0% | 0 | 0 |
| The Health Plan of West Virginia, Inc. | 11 | 1 | 0 | 0 | 0.0% | 0 | 0 |
Montgomery County against Ohio and the nation
| Measure | County | Ohio | United States |
|---|---|---|---|
| Must pick for 2027, share of members | 12.7% | 15.8% | 10.6% |
| Must pick for 2026 | 6.3% | 10.1% | |
| Must pick for 2025, members | 357 of 58,499 | ||
| Must pick for 2026, members | 3,828 of 60,823 | ||
| Must pick for 2027, members | 8,310 of 65,189 |
State and national figures: the Ohio hub and the national report.
Star Ratings 2027 in Montgomery County
| Measure | 2027 | 2026 | Change |
|---|---|---|---|
| Members in contracts rated 4+ stars | 54.3% | 86.0% | -31.7 pts |
| Member-weighted average star | 3.81 | 4.01 | -0.20 |
| Rated contracts with members here | 30 | 31 |
Members by star, 2027: 5.0: 369 · 4.5: 11,671 · 4.0: 23,778 · 3.5: 26,169 · 3.0: 1,275 · 2.5: 2,709; 7,613 in unrated contracts. Each contract's 2027 overall star (CMS, released 2026-10-08) weighted by its 2026-09 members in the county, individual and group; 2026 by 2025-09 members.
Sources
- CMS Medicare Advantage/Part D Landscape, plan year 2027: landscape_cy2027-landscape-202609-1.zip (CMS, September 2026); CMS plan crosswalk CY2027.
- CMS monthly enrollment by contract, plan and county, 2026-09 (and the two Septembers before, for the series).
- CMS MA state-county penetration file, September of each year (eligibles, enrollment, penetration).
- CMS Star Ratings 2027, released 2026-10-08. Page object written 2026-10-20.
Receipts: athena(table=medicare_semantic.exits_cells_county_2027_v1, block=plans) 042eb472aa7d…; athena(table=medicare_semantic.exits_cells_county_2025_v1, medicare_semantic.exits_cells_county_2026_v1, medicare_semantic.exits_cells_county_2027_v1, block=series) ee9fd56a8632…; athena(table=medicare_semantic.ma_spine_county_market_v20261012b, block=market) e6c1b5ce62c0…; athena(table=medicare_semantic.ma_spine_contract_stars_v20261012b, weights=medicare_semantic.ma_spine_enroll_plan_county_v20261012a, block=stars) c39711c388e0…. Suppressed cells count as zero in every count.
Cite: Vlada Health (2026). Medicare Advantage plan exits 2027 in Montgomery County, OH. https://www.vladahealth.com/medicare-advantage/oh/montgomery. Data: CC BY 4.0.
Method
- Population: members of individual Medicare Advantage plans (H and R contracts, plans 001 to 799, special needs plans included; employer group, Cost, MMP and PACE excluded) in the county in September 2026.
- Must pick: the CMS crosswalk names no successor plan sold in the county for 2027; members CMS moves to a successor in the county are not counted.
- Terminated: the plan is gone from every county. Service area reduced: the plan continues elsewhere but not here. Offered a new or renumbered plan: the same company sells, in this county, the same name under a new number or a new plan of the same HMO or PPO and special needs type. Company gone: no plan of any type from that company in the county.
- Stars: each contract's overall star weighted by its September members in the county; unrated contracts counted apart, never as zero stars. Penetration: the CMS file's own eligibles and MA enrollment.
- Suppression: CMS hides cells under 11 members; they count as zero, so every count is a floor and every share is not.
The full method and the national tables: How we counted, and how to check it.
Questions
- How many Medicare Advantage members in Montgomery County must pick a new plan for 2027?
- 8,310 of 65,189 members (12.7%): their plan is not sold in the county for 2027 according to the CMS crosswalk and Landscape. Ohio as a whole: 15.8%; the nation: 10.6%.
- Which plan in Montgomery County ends with the most members?
- UHC Dual Complete Oh-s2 (HMO D-SNP) (H1285-001, UnitedHealth Group, Inc.): 2,755 members in September 2026, terminated.
- Which company ended the most plans in Montgomery County for 2027?
- UnitedHealth Group, Inc.: 5,677 of its 19,636 members in the county (28.9%), 4 of its 14 plans.
- What share of Montgomery County's Medicare eligibles are in Medicare Advantage?
- 61.3% in September 2026: 73,847 of 120,491 eligibles, from the CMS state-county penetration file.
- How are Montgomery County's members rated for 2027?
- 54.3% of members are in contracts rated 4 stars or more for 2027 (86.0% the year before); the member-weighted average star is 3.81 over 30 rated contracts.
- How does 2027 compare with 2026 in Montgomery County?
- 3,828 members (6.3%) had to pick a new plan for 2026; for 2027 it is 8,310 (12.7%), a change of +4,482 members.
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Use Vlada. In Montgomery County, Ohio, which Medicare Advantage plans are not sold for 2027, how many members are in each, and what did 2026 look like? Give me a table with the source file, the data vintage and the response hash.
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